Git merges in Moodle 1.9.16 by Eloy Lafuente (stronk7)

commit faecf14df6f64722a7d1907e5891b5e7080e2f39
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Tue, 20 Dec 2011 08:26:21 +0800
Tag:    v1.9.16

Merge branch 'MDL-20198c_m19' of git://github.com/rwijaya/moodle into MOODLE_19_STABLE

commit fdcc0f46cc228cc7bb9c566ffe65c385b651cb9f
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Fri, 02 Dec 2011 01:02:51 +0800
Tag:    v1.9.16

Merge branch 'wip-MDL-20627-MOODLE_19_STABLE' of git://github.com/abgreeve/moodle into MOODLE_19_STABLE

commit 51c6d453e12c864b2396d57945239371c56b44e7
Author: Eloy Lafuente (stronk7) <stronk7@moodle.org>
Date:   Tue, 29 Nov 2011 22:33:18 +0800
Tag:    v1.9.16

Merge branch 'w48_MDL-30480_m19_dmlobjects' of git://github.com/skodak/moodle into MOODLE_19_STABLE